NEW APPROACH TO QUANTITATIVE SURFACE PHOTOVOLTAGE SPECTROSCOPY ANALYSIS

被引:16
|
作者
KRONIK, L
SHAPIRA, Y
机构
[1] Deoartment of Electrical Engineering-Physical Electronics, Faculty of Engineering, Tel-Aviv University, Ramat-Avii
关键词
D O I
10.1116/1.578301
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A new approach is presented for determining surface state parameters at semiconductor interfaces using time resolved surface photovoltage spectroscopy. The analysis provides precise determination of surface state energies, densities, occupancies, and cross sections for electrons and photons (including the wave-length dependence of the photonic cross sections). Unlike previous methods, this approach does not require prior knowledge of the absolute band bending, but rather determines it among the other parameters. The algorithm is extended for any number of discrete surface energy levels.
引用
收藏
页码:3081 / 3084
页数:4
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